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709 |
jeremybenn |
/* Definitions of target machine for GCC, for SPARC running Solaris 2
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Copyright 1992, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2004, 2005,
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2006, 2007, 2008, 2010, 2011 Free Software Foundation, Inc.
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Contributed by Ron Guilmette (rfg@netcom.com).
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Additional changes by David V. Henkel-Wallace (gumby@cygnus.com).
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This file is part of GCC.
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GCC is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3, or (at your option)
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any later version.
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GCC is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with GCC; see the file COPYING3. If not see
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<http://www.gnu.org/licenses/>. */
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/* Solaris allows 64-bit out and global registers to be used in 32-bit mode.
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sparc_override_options will disable V8+ if either not generating V9 code
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or generating 64-bit code. */
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#undef TARGET_DEFAULT
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#ifdef TARGET_64BIT_DEFAULT
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#define TARGET_DEFAULT \
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(MASK_V9 + MASK_64BIT + MASK_PTR64 + MASK_STACK_BIAS + \
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MASK_V8PLUS + MASK_APP_REGS + MASK_FPU + MASK_LONG_DOUBLE_128)
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#else
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#define TARGET_DEFAULT \
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(MASK_V8PLUS + MASK_APP_REGS + MASK_FPU + MASK_LONG_DOUBLE_128)
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#endif
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/* The default code model used to be CM_MEDANY on Solaris
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but even Sun eventually found it to be quite wasteful
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and changed it to CM_MEDMID in the Studio 9 compiler. */
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#undef SPARC_DEFAULT_CMODEL
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#define SPARC_DEFAULT_CMODEL CM_MEDMID
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/* Select a format to encode pointers in exception handling data. CODE
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is 0 for data, 1 for code labels, 2 for function pointers. GLOBAL is
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true if the symbol may be affected by dynamic relocations.
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Some Solaris dynamic linkers don't handle unaligned section relative
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relocs properly, so force them to be aligned. */
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#ifndef HAVE_AS_SPARC_UA_PCREL
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#define ASM_PREFERRED_EH_DATA_FORMAT(CODE,GLOBAL) \
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((flag_pic || GLOBAL) ? DW_EH_PE_aligned : DW_EH_PE_absptr)
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#endif
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/* Supposedly the same as vanilla sparc svr4, except for the stuff below: */
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/* This is here rather than in sparc.h because it's not known what
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other assemblers will accept. */
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#ifndef USE_GAS
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#define AS_SPARC64_FLAG "-xarch=v9"
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#else
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#define AS_SPARC64_FLAG "-TSO -64 -Av9"
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#endif
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#undef ASM_CPU32_DEFAULT_SPEC
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#define ASM_CPU32_DEFAULT_SPEC ""
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#undef ASM_CPU64_DEFAULT_SPEC
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#define ASM_CPU64_DEFAULT_SPEC AS_SPARC64_FLAG
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#if TARGET_CPU_DEFAULT == TARGET_CPU_v9
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#undef CPP_CPU64_DEFAULT_SPEC
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#define CPP_CPU64_DEFAULT_SPEC ""
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#undef ASM_CPU32_DEFAULT_SPEC
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#define ASM_CPU32_DEFAULT_SPEC "-xarch=v8plus"
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#undef ASM_CPU_DEFAULT_SPEC
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#define ASM_CPU_DEFAULT_SPEC ASM_CPU32_DEFAULT_SPEC
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#endif
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#if TARGET_CPU_DEFAULT == TARGET_CPU_ultrasparc
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#undef CPP_CPU64_DEFAULT_SPEC
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#define CPP_CPU64_DEFAULT_SPEC ""
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#undef ASM_CPU32_DEFAULT_SPEC
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#define ASM_CPU32_DEFAULT_SPEC "-xarch=v8plusa"
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#undef ASM_CPU64_DEFAULT_SPEC
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#define ASM_CPU64_DEFAULT_SPEC AS_SPARC64_FLAG "a"
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#undef ASM_CPU_DEFAULT_SPEC
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#define ASM_CPU_DEFAULT_SPEC ASM_CPU32_DEFAULT_SPEC
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#endif
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#if TARGET_CPU_DEFAULT == TARGET_CPU_ultrasparc3
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#undef CPP_CPU64_DEFAULT_SPEC
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#define CPP_CPU64_DEFAULT_SPEC ""
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#undef ASM_CPU32_DEFAULT_SPEC
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#define ASM_CPU32_DEFAULT_SPEC "-xarch=v8plusb"
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#undef ASM_CPU64_DEFAULT_SPEC
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#define ASM_CPU64_DEFAULT_SPEC AS_SPARC64_FLAG "b"
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#undef ASM_CPU_DEFAULT_SPEC
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#define ASM_CPU_DEFAULT_SPEC ASM_CPU32_DEFAULT_SPEC
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#endif
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#if TARGET_CPU_DEFAULT == TARGET_CPU_niagara
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#undef CPP_CPU64_DEFAULT_SPEC
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#define CPP_CPU64_DEFAULT_SPEC ""
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#undef ASM_CPU32_DEFAULT_SPEC
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#define ASM_CPU32_DEFAULT_SPEC "-xarch=v8plusb"
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#undef ASM_CPU64_DEFAULT_SPEC
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#define ASM_CPU64_DEFAULT_SPEC AS_SPARC64_FLAG "b"
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#undef ASM_CPU_DEFAULT_SPEC
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#define ASM_CPU_DEFAULT_SPEC ASM_CPU32_DEFAULT_SPEC
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#endif
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#if TARGET_CPU_DEFAULT == TARGET_CPU_niagara2
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#undef CPP_CPU64_DEFAULT_SPEC
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#define CPP_CPU64_DEFAULT_SPEC ""
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#undef ASM_CPU32_DEFAULT_SPEC
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#define ASM_CPU32_DEFAULT_SPEC "-xarch=v8plusb"
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#undef ASM_CPU64_DEFAULT_SPEC
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#define ASM_CPU64_DEFAULT_SPEC AS_SPARC64_FLAG "b"
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#undef ASM_CPU_DEFAULT_SPEC
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#define ASM_CPU_DEFAULT_SPEC ASM_CPU32_DEFAULT_SPEC
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#endif
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#if TARGET_CPU_DEFAULT == TARGET_CPU_niagara3
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#undef CPP_CPU64_DEFAULT_SPEC
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#define CPP_CPU64_DEFAULT_SPEC ""
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#undef ASM_CPU32_DEFAULT_SPEC
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#define ASM_CPU32_DEFAULT_SPEC "-xarch=v8plus" AS_NIAGARA3_FLAG
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#undef ASM_CPU64_DEFAULT_SPEC
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#define ASM_CPU64_DEFAULT_SPEC AS_SPARC64_FLAG AS_NIAGARA3_FLAG
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#undef ASM_CPU_DEFAULT_SPEC
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#define ASM_CPU_DEFAULT_SPEC ASM_CPU32_DEFAULT_SPEC
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#endif
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#if TARGET_CPU_DEFAULT == TARGET_CPU_niagara4
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#undef CPP_CPU64_DEFAULT_SPEC
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#define CPP_CPU64_DEFAULT_SPEC ""
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#undef ASM_CPU32_DEFAULT_SPEC
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#define ASM_CPU32_DEFAULT_SPEC "-xarch=v8plusb"
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#undef ASM_CPU64_DEFAULT_SPEC
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#define ASM_CPU64_DEFAULT_SPEC AS_SPARC64_FLAG "b"
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#undef ASM_CPU_DEFAULT_SPEC
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#define ASM_CPU_DEFAULT_SPEC ASM_CPU32_DEFAULT_SPEC
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#endif
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/* Both Sun as and GNU as understand -K PIC. */
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#undef ASM_SPEC
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#define ASM_SPEC ASM_SPEC_BASE ASM_PIC_SPEC
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#undef CPP_CPU_SPEC
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#define CPP_CPU_SPEC "\
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%{mcpu=sparclet|mcpu=tsc701:-D__sparclet__} \
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%{mcpu=sparclite|mcpu-f930|mcpu=f934:-D__sparclite__} \
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%{mcpu=v8:" DEF_ARCH32_SPEC("-D__sparcv8") "} \
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%{mcpu=supersparc:-D__supersparc__ " DEF_ARCH32_SPEC("-D__sparcv8") "} \
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%{mcpu=v9|mcpu=ultrasparc|mcpu=ultrasparc3|mcpu=niagara|mcpu=niagara2|mcpu=niagara3|mcpu=niagara4:" DEF_ARCH32_SPEC("-D__sparcv8") "} \
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%{!mcpu*:%(cpp_cpu_default)} \
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"
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#undef CPP_CPU_DEFAULT_SPEC
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#define CPP_CPU_DEFAULT_SPEC \
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(DEFAULT_ARCH32_P ? "\
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%{m64:" CPP_CPU64_DEFAULT_SPEC "} \
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%{!m64:" CPP_CPU32_DEFAULT_SPEC "} \
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" : "\
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%{m32:" CPP_CPU32_DEFAULT_SPEC "} \
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%{!m32:" CPP_CPU64_DEFAULT_SPEC "} \
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")
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#undef CPP_ARCH32_SPEC
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#define CPP_ARCH32_SPEC ""
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#undef CPP_ARCH64_SPEC
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#define CPP_ARCH64_SPEC "-D__arch64__ -D__sparcv9"
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#undef CPP_ARCH_SPEC
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#define CPP_ARCH_SPEC "\
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%{m32:%(cpp_arch32)} \
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%{m64:%(cpp_arch64)} \
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%{!m32:%{!m64:%(cpp_arch_default)}} \
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"
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/* -mcpu=native handling only makes sense with compiler running on
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a SPARC chip. */
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#if defined(__sparc__) && defined(__SVR4)
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extern const char *host_detect_local_cpu (int argc, const char **argv);
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# define EXTRA_SPEC_FUNCTIONS \
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{ "local_cpu_detect", host_detect_local_cpu },
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# define MCPU_MTUNE_NATIVE_SPECS \
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" %{mcpu=native:%<mcpu=native %:local_cpu_detect(cpu)}" \
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" %{mtune=native:%<mtune=native %:local_cpu_detect(tune)}"
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#else
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# define MCPU_MTUNE_NATIVE_SPECS ""
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#endif
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#define DRIVER_SELF_SPECS MCPU_MTUNE_NATIVE_SPECS
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#undef CC1_SPEC
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#if DEFAULT_ARCH32_P
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#define CC1_SPEC "\
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%{m64:%{m32:%emay not use both -m32 and -m64}} \
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%{m64:-mptr64 -mstack-bias -mno-v8plus \
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%{!mcpu*:-%{!mv8plus:mcpu=v9}}} \
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"
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#else
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#define CC1_SPEC "\
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%{m32:%{m64:%emay not use both -m32 and -m64}} \
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%{m32:-mptr32 -mno-stack-bias \
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%{!mcpu*:%{!mv8plus:-mcpu=v9}}} \
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%{mv8plus:-m32 -mptr32 -mno-stack-bias \
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%{!mcpu*:-mcpu=v9}} \
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"
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#endif
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/* Support for a compile-time default CPU, et cetera. The rules are:
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--with-cpu is ignored if -mcpu is specified.
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--with-tune is ignored if -mtune is specified.
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--with-float is ignored if -mhard-float, -msoft-float, -mfpu, or -mno-fpu
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are specified.
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In the SPARC_BI_ARCH compiler we cannot pass %{!mcpu=*:-mcpu=%(VALUE)}
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here, otherwise say -mcpu=v7 would be passed even when -m64.
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CC1_SPEC above takes care of this instead. */
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#undef OPTION_DEFAULT_SPECS
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#if DEFAULT_ARCH32_P
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#define OPTION_DEFAULT_SPECS \
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{"cpu", "%{!m64:%{!mcpu=*:-mcpu=%(VALUE)}}" }, \
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{"tune", "%{!mtune=*:-mtune=%(VALUE)}" }, \
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{"float", "%{!msoft-float:%{!mhard-float:%{!mfpu:%{!mno-fpu:-m%(VALUE)-float}}}}" }
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#else
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#define OPTION_DEFAULT_SPECS \
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{"cpu", "%{!m32:%{!mcpu=*:-mcpu=%(VALUE)}}" }, \
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{"tune", "%{!mtune=*:-mtune=%(VALUE)}" }, \
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{"float", "%{!msoft-float:%{!mhard-float:%{!mfpu:%{!mno-fpu:-m%(VALUE)-float}}}}" }
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#endif
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#undef ASM_CPU_SPEC
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#define ASM_CPU_SPEC "\
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%{mcpu=v9:" DEF_ARCH32_SPEC("-xarch=v8plus") DEF_ARCH64_SPEC(AS_SPARC64_FLAG) "} \
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%{mcpu=ultrasparc:" DEF_ARCH32_SPEC("-xarch=v8plusa") DEF_ARCH64_SPEC(AS_SPARC64_FLAG "a") "} \
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%{mcpu=ultrasparc3:" DEF_ARCH32_SPEC("-xarch=v8plusb") DEF_ARCH64_SPEC(AS_SPARC64_FLAG "b") "} \
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%{mcpu=niagara:" DEF_ARCH32_SPEC("-xarch=v8plusb") DEF_ARCH64_SPEC(AS_SPARC64_FLAG "b") "} \
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%{mcpu=niagara2:" DEF_ARCH32_SPEC("-xarch=v8plusb") DEF_ARCH64_SPEC(AS_SPARC64_FLAG "b") "} \
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%{mcpu=niagara3:" DEF_ARCH32_SPEC("-xarch=v8plus" AS_NIAGARA3_FLAG) DEF_ARCH64_SPEC(AS_SPARC64_FLAG AS_NIAGARA3_FLAG) "} \
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%{mcpu=niagara4:" DEF_ARCH32_SPEC("-xarch=v8plus" AS_NIAGARA3_FLAG) DEF_ARCH64_SPEC(AS_SPARC64_FLAG AS_NIAGARA3_FLAG) "} \
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%{!mcpu=niagara4:%{!mcpu=niagara3:%{!mcpu=niagara2:%{!mcpu=niagara:%{!mcpu=ultrasparc3:%{!mcpu=ultrasparc:%{!mcpu=v9:%{mcpu*:" DEF_ARCH32_SPEC("-xarch=v8") DEF_ARCH64_SPEC(AS_SPARC64_FLAG) "}}}}}}}} \
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%{!mcpu*:%(asm_cpu_default)} \
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"
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| 249 |
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#undef ASM_ARCH32_SPEC
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#define ASM_ARCH32_SPEC ""
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| 252 |
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#undef ASM_ARCH64_SPEC
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| 253 |
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#define ASM_ARCH64_SPEC ""
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| 254 |
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| 255 |
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#undef ASM_ARCH_DEFAULT_SPEC
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| 256 |
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#define ASM_ARCH_DEFAULT_SPEC ""
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| 257 |
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| 258 |
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#undef ASM_ARCH_SPEC
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| 259 |
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#define ASM_ARCH_SPEC ""
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| 260 |
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| 261 |
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#ifdef USE_GLD
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| 262 |
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/* Since binutils 2.21, GNU ld supports new *_sol2 emulations to strictly
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follow the Solaris 2 ABI. Prefer them if present. */
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| 264 |
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#ifdef HAVE_LD_SOL2_EMULATION
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| 265 |
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#define ARCH32_EMULATION "elf32_sparc_sol2"
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#define ARCH64_EMULATION "elf64_sparc_sol2"
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#else
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#define ARCH32_EMULATION "elf32_sparc"
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#define ARCH64_EMULATION "elf64_sparc"
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#endif
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#endif
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| 273 |
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#define ARCH64_SUBDIR "sparcv9"
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| 274 |
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| 275 |
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#define SUBTARGET_CPU_EXTRA_SPECS
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| 277 |
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| 278 |
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| 279 |
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/* Register the Solaris-specific #pragma directives. */
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| 280 |
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#define REGISTER_TARGET_PRAGMAS() solaris_register_pragmas ()
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| 281 |
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| 282 |
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#if defined(USE_GAS) && defined(HAVE_AS_TLS)
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| 283 |
|
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/* Use GNU extensions to TLS support. */
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| 284 |
|
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#undef TARGET_SUN_TLS
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| 285 |
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#undef TARGET_GNU_TLS
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| 286 |
|
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#define TARGET_SUN_TLS 0
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| 287 |
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#define TARGET_GNU_TLS 1
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| 288 |
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#endif
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| 289 |
|
|
|
| 290 |
|
|
#undef LOCAL_LABEL_PREFIX
|
| 291 |
|
|
#define LOCAL_LABEL_PREFIX "."
|
| 292 |
|
|
|
| 293 |
|
|
/* The Solaris 2 assembler uses .skip, not .zero, so put this back. */
|
| 294 |
|
|
#undef ASM_OUTPUT_SKIP
|
| 295 |
|
|
#define ASM_OUTPUT_SKIP(FILE,SIZE) \
|
| 296 |
|
|
fprintf (FILE, "\t.skip %u\n", (int)(SIZE))
|
| 297 |
|
|
|
| 298 |
|
|
/* This is how to store into the string LABEL
|
| 299 |
|
|
the symbol_ref name of an internal numbered label where
|
| 300 |
|
|
PREFIX is the class of label and NUM is the number within the class.
|
| 301 |
|
|
This is suitable for output with `assemble_name'. */
|
| 302 |
|
|
|
| 303 |
|
|
#undef ASM_GENERATE_INTERNAL_LABEL
|
| 304 |
|
|
#define ASM_GENERATE_INTERNAL_LABEL(LABEL,PREFIX,NUM) \
|
| 305 |
|
|
sprintf ((LABEL), "*.L%s%lu", (PREFIX), (unsigned long)(NUM))
|
| 306 |
|
|
|
| 307 |
|
|
/* The native TLS-enabled assembler requires the directive #tls_object
|
| 308 |
|
|
to be put on objects in TLS sections (as of v7.1). This is not
|
| 309 |
|
|
required by GNU as but supported on SPARC. */
|
| 310 |
|
|
#undef ASM_DECLARE_OBJECT_NAME
|
| 311 |
|
|
#define ASM_DECLARE_OBJECT_NAME(FILE, NAME, DECL) \
|
| 312 |
|
|
do \
|
| 313 |
|
|
{ \
|
| 314 |
|
|
HOST_WIDE_INT size; \
|
| 315 |
|
|
\
|
| 316 |
|
|
if (targetm.have_tls && DECL_THREAD_LOCAL_P (DECL)) \
|
| 317 |
|
|
ASM_OUTPUT_TYPE_DIRECTIVE (FILE, NAME, "tls_object"); \
|
| 318 |
|
|
else \
|
| 319 |
|
|
ASM_OUTPUT_TYPE_DIRECTIVE (FILE, NAME, "object"); \
|
| 320 |
|
|
\
|
| 321 |
|
|
size_directive_output = 0; \
|
| 322 |
|
|
if (!flag_inhibit_size_directive \
|
| 323 |
|
|
&& (DECL) && DECL_SIZE (DECL)) \
|
| 324 |
|
|
{ \
|
| 325 |
|
|
size_directive_output = 1; \
|
| 326 |
|
|
size = int_size_in_bytes (TREE_TYPE (DECL)); \
|
| 327 |
|
|
ASM_OUTPUT_SIZE_DIRECTIVE (FILE, NAME, size); \
|
| 328 |
|
|
} \
|
| 329 |
|
|
\
|
| 330 |
|
|
ASM_OUTPUT_LABEL (FILE, NAME); \
|
| 331 |
|
|
} \
|
| 332 |
|
|
while (0)
|
| 333 |
|
|
|
| 334 |
|
|
/* Output a simple call for .init/.fini. */
|
| 335 |
|
|
#define ASM_OUTPUT_CALL(FILE, FN) \
|
| 336 |
|
|
do \
|
| 337 |
|
|
{ \
|
| 338 |
|
|
fprintf (FILE, "\tcall\t"); \
|
| 339 |
|
|
targetm.asm_out.print_operand (FILE, XEXP (DECL_RTL (FN), 0), 0); \
|
| 340 |
|
|
fprintf (FILE, "\n\tnop\n"); \
|
| 341 |
|
|
} \
|
| 342 |
|
|
while (0)
|
| 343 |
|
|
|
| 344 |
|
|
#ifndef USE_GAS
|
| 345 |
|
|
/* This is how to output an assembler line that says to advance
|
| 346 |
|
|
the location counter to a multiple of 2**LOG bytes using the
|
| 347 |
|
|
NOP instruction as padding. The filler pattern doesn't work
|
| 348 |
|
|
with GNU as. */
|
| 349 |
|
|
#define ASM_OUTPUT_ALIGN_WITH_NOP(FILE,LOG) \
|
| 350 |
|
|
if ((LOG) != 0) \
|
| 351 |
|
|
fprintf (FILE, "\t.align %d,0x1000000\n", (1<<(LOG)))
|
| 352 |
|
|
|
| 353 |
|
|
/* Use Solaris ELF section syntax with Sun as. */
|
| 354 |
|
|
#undef TARGET_ASM_NAMED_SECTION
|
| 355 |
|
|
#define TARGET_ASM_NAMED_SECTION sparc_solaris_elf_asm_named_section
|
| 356 |
|
|
|
| 357 |
|
|
/* Sun as requires doublequoted section names on SPARC. While GNU as
|
| 358 |
|
|
supports that, too, we prefer the standard variant. */
|
| 359 |
|
|
#undef SECTION_NAME_FORMAT
|
| 360 |
|
|
#define SECTION_NAME_FORMAT "\"%s\""
|
| 361 |
|
|
#endif /* !USE_GAS */
|
| 362 |
|
|
|
| 363 |
|
|
/* Undefine this so that attribute((init_priority)) works with GNU ld. */
|
| 364 |
|
|
#ifdef USE_GLD
|
| 365 |
|
|
#undef CTORS_SECTION_ASM_OP
|
| 366 |
|
|
#undef DTORS_SECTION_ASM_OP
|
| 367 |
|
|
#endif
|
| 368 |
|
|
|
| 369 |
|
|
|
| 370 |
|
|
|
| 371 |
|
|
/* Define for support of TFmode long double.
|
| 372 |
|
|
SPARC ABI says that long double is 4 words. */
|
| 373 |
|
|
#define LONG_DOUBLE_TYPE_SIZE 128
|
| 374 |
|
|
|
| 375 |
|
|
/* Solaris's _Qp_* library routine implementation clobbers the output
|
| 376 |
|
|
memory before the inputs are fully consumed. */
|
| 377 |
|
|
|
| 378 |
|
|
#undef TARGET_BUGGY_QP_LIB
|
| 379 |
|
|
#define TARGET_BUGGY_QP_LIB 1
|
| 380 |
|
|
|
| 381 |
|
|
#undef SUN_CONVERSION_LIBFUNCS
|
| 382 |
|
|
#define SUN_CONVERSION_LIBFUNCS 1
|
| 383 |
|
|
|
| 384 |
|
|
#undef DITF_CONVERSION_LIBFUNCS
|
| 385 |
|
|
#define DITF_CONVERSION_LIBFUNCS 1
|
| 386 |
|
|
|
| 387 |
|
|
#undef SUN_INTEGER_MULTIPLY_64
|
| 388 |
|
|
#define SUN_INTEGER_MULTIPLY_64 1
|
